(0 20 2)(1 19 17)(3 18 5)(4 9 7)(6 13 11)(8 15 10)(12 16 14)
ALLOWS (11/8)-SEQUENCE
1: (4 9 20)
(0 20 7 4 2)(1 19 17)(3 18 5)(6 13 11)(8 15 10)(9)(12 16 14)
2: (3 18 5)
(0 20 7 4 2)(1 19 17)(3)(5)(6 13 11)(8 15 10)(9)(12 16 14)(18)
3: (1 19 17)
(0 20 7 4 2)(1)(3)(5)(6 13 11)(8 15 10)(9)(12 16 14)(17)(18)(19)
4: (0 4 2)
(0)(1)(2)(3)(4 20 7)(5)(6 13 11)(8 15 10)(9)(12 16 14)(17)(18)(19)